Oral sleep appliance-upper component



FIG. 1 is a top, front, left side perspective view of an oral sleep appliance—upper component showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

The ornamental design for an oral sleep appliance—upper component, as shown and described. 